WO2021008126A1 - 一种快速开合的大型遮阳伞 - Google Patents

一种快速开合的大型遮阳伞 Download PDF

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Publication number
WO2021008126A1
WO2021008126A1 PCT/CN2020/072342 CN2020072342W WO2021008126A1 WO 2021008126 A1 WO2021008126 A1 WO 2021008126A1 CN 2020072342 W CN2020072342 W CN 2020072342W WO 2021008126 A1 WO2021008126 A1 WO 2021008126A1
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WO
WIPO (PCT)
Prior art keywords
umbrella
wheel
transmission
gear
crank
Prior art date
Application number
PCT/CN2020/072342
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
罗雄
Original Assignee
罗雄
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 罗雄 filed Critical 罗雄
Priority to DE212020000600.8U priority Critical patent/DE212020000600U1/de
Publication of WO2021008126A1 publication Critical patent/WO2021008126A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/14—Devices for opening and for closing umbrellas
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B25/00—Details of umbrellas
    • A45B25/02—Umbrella frames

Definitions

  • the invention relates to a parasol, in particular to a large parasol that can be opened and closed quickly.
  • the structure of the existing parasol is generally composed of an umbrella pole, an umbrella frame and umbrella cloth.
  • the umbrella frame is connected to the top of the umbrella pole.
  • the umbrella pole mainly supports the umbrella frame.
  • the umbrella cloth is connected to the umbrella frame to support the umbrella frame. Open, the umbrella cloth is also stretched, so that the parasol is opened.
  • Sunshade umbrellas require different shading areas in different use occasions.
  • Large-scale sunshades used outdoors are usually very large and tall, and they are usually opened and closed by means of push, pull rope, and handle.
  • the existing Chinese patent "Large Parasol” with the patent number CN95208983 consists of an umbrella surface, an opening and closing device, an umbrella pole and one end of the support pole connected to the support base, and the other end of the support pole is connected to the umbrella pole.
  • One end of the rod and the support rod is directly hinged with the support base through a pipe sleeve, the other end of the support rod is hinged with a pipe clamp fixed on the umbrella rod through the pipe sleeve, and a rope is fixed on the umbrella rod through the support base to form an opening and closing device.
  • the parasol is also opened and closed by a rope, which also has the problem of laborious operation.
  • the technical problem to be solved by the present invention is to provide a large-scale parasol with a simple and reasonable structure, which can satisfy large-area shading and is convenient to open and close, in view of the foregoing technical status.
  • a large-scale parasol that can be opened and closed quickly, including an umbrella pole, an upper umbrella tray, a lower umbrella tray, long umbrella ribs and short umbrella ribs, long umbrella ribs and upper umbrella tray
  • One end of the short rib is hinged with the lower umbrella plate
  • the other end of the short rib is hinged with the upper part of the long rib to form an umbrella frame
  • the umbrella shaft includes an outer tube and an inner tube
  • the umbrella tray is fixed on the top of the inner tube
  • the lower umbrella tray is detachably set on the outer tube
  • the upper umbrella tray and the lower umbrella tray are connected with the outer tube through the inner tube
  • the outer tube is provided with a rocker box and a rocker box
  • a timing belt is arranged in the inner tube. When the crank is rotated, the inner tube can slide up and down and be positioned relative to the outer tube through the cooperation of the timing belt and the transmission mechanism.
  • the crank box is arranged at the lower part of the outer tube, and a crank shaft is provided in the crank case.
  • One end of the crank shaft is connected with the crank, and the other end of the crank shaft is provided with a first gear.
  • a rack which is meshed with the first gear and can move up and down is provided along the upper length direction.
  • a support tube is provided in the outer tube and on the top of the handle box.
  • the transmission mechanism includes a transmission box.
  • the transmission box is arranged in the upper part of the outer tube and at the upper end of the support tube.
  • the second gear is connected to the fan-shaped wheel through a transmission shaft.
  • the torsion spring is installed in the transmission box and can rotate relative to the transmission box.
  • the synchronization wheel is provided with sector bosses that contact the two support rods of the torsion spring.
  • the wheel presses the support rod on the torsion spring to reduce the friction between the torsion spring and the circular inner wall of the transmission box, and drives the torsion spring to rotate.
  • the support rod on the torsion spring contacts the boss in the synchronous wheel to drive the synchronous wheel to rotate. Thereby driving the synchronous belt to move up and down, and then drive the inner tube to move synchronously to realize the opening and closing of the umbrella.
  • the second gear, sector wheels and synchronizing wheels are arranged coaxially, and the transmission box is assembled from a transmission frame and left and right side plates.
  • a circular hole for the transmission shaft is opened in the middle of the transmission frame.
  • the gear is arranged on one side of the circular hole of the transmission frame, and the other side of the circular hole of the transmission frame is convexly provided with a cylindrical structure for inserting the sector wheel.
  • the synchronous wheel is sleeved outside the cylindrical structure of the transmission frame, the fan-shaped boss in the synchronous wheel is exactly at the notch position of the fan-shaped wheel, and the two support rods of the torsion spring are exactly in the gap between the fan-shaped boss and the fan-shaped wheel
  • the fan-shaped boss in the synchronous wheel presses the support rod on the side of the torsion spring, forcing the outer diameter of the torsion spring to expand, and the torsion spring and the cylinder of the transmission frame
  • the friction force of the inner wall of the structure is increased so that it cannot rotate, and the positioning of the umbrella frame is realized.
  • the upper and lower ends of the left and right sides of the transmission frame are respectively protrudingly provided with connecting posts connected to the left and right side plates, and corresponding connecting holes are opened on the left and right side plates.
  • the left and right side plates are connected by a connecting shaft and a fixing nut. It is fixed with the transmission frame; the center of the left and right side plates is provided with a circular hole, and the circular hole is equipped with a bearing that matches with the transmission shaft.
  • Both ends of the transmission shaft are provided with internal threaded holes, which are rotatably fixed on the left and right by screws Side panel.
  • the upper and lower ends of the synchronous belt are respectively fixed at the two ends of the inner tube, and the transmission box is provided with guide wheels that are opposed to the upper and lower ends of the synchronous wheel to increase the stability of the mechanism.
  • a bearing is installed in the inner hole of the guide wheel, and the guide wheel is rotatably arranged on the connecting shaft.
  • the transmission mode of the synchronous belt and the synchronous wheel can be replaced with a chain-sprocket or rack-gear or belt-pulley transmission mode.
  • first gear in the crank case and the second gear in the transmission box can adjust the gear ratios to each other to adjust the number of crank rotations required for opening the umbrella.
  • the present invention has the advantages that the synchronous wheel and synchronous belt are driven by gears, rack and pinion, which greatly reduces the number of crank rotations required for opening and retracting the umbrella; the torsion spring mechanism in the synchronous wheel can be inoperative.
  • the rocker can automatically fix the position of the umbrella ribs to increase the safety of use; the connection mode of the lower umbrella tray is detachable, which can reduce the packaging volume.
  • the invention has simple and compact structure, convenient and quick opening and closing of the umbrella, which can satisfy large-area sunshading and convenient opening and closing, and the positioning is firm and stable.
  • Figure 1 is a schematic structural diagram of an embodiment of the present invention
  • Figure 2 is a schematic diagram of the structure of Figure 1 in the process of closing the umbrella;
  • Figure 3 is a schematic diagram of the structure of Figure 1 after closing the umbrella;
  • Figure 4 is a front sectional view of the pole of Figure 1;
  • Figure 5 is a side sectional view of the pole of Figure 1;
  • Figure 6 is an exploded view of the transmission box structure in Figure 4.
  • Figure 7 is a cross-sectional view corresponding to the synchronization wheel in Figure 4.
  • Figure 8 is an exploded view of the handle box.
  • Umbrella pole A includes an outer tube 2 and an inner tube 1.
  • the upper umbrella tray 3 is fixed on the top of the inner tube 1
  • the lower umbrella tray 4 is detachably set on the outer tube 2
  • the upper umbrella tray 3 and the lower umbrella tray 4 pass through the inner tube.
  • the tube 1 is connected to the outer tube 2.
  • the long rib 5 is pivotally hinged with the upper umbrella plate 3, one end of the short rib 6 is hinged with the lower umbrella plate 4, and the other end of the short rib 6 is hinged with the upper part of the long rib 5 to form an umbrella frame.
  • the outer tube 2 is provided with a rocker box 7 and a transmission mechanism matched with the rocker box 7.
  • a timing belt 17 is provided in the inner tube 1. The upper and lower ends of the timing belt 17 are respectively fixed at both ends of the inner tube 1. When the handle 72 is shaken, the inner tube 1 can slide up and down and be positioned relative to the outer tube 2 through the cooperation of the timing belt 17 and the transmission mechanism.
  • the crank case 7 is fixedly arranged at the lower part of the outer tube 2.
  • a crank shaft 71 is provided in the crank case 7, one end of the crank shaft 71 is provided with a square hole for inserting the crank 72, and the other end of the crank shaft 71 is provided There is a first gear 73.
  • the inner wall of the outer tube 2 is provided with a rack 8 that meshes with the first gear 73 and can move up and down along the length direction. When the crank 72 is rotated, the crank shaft 71 rotates to drive the first gear 73 rotates, thereby driving the rack 8 to move up and down.
  • a support tube 16 is provided in the outer tube 2 at the top of the rocker box 7.
  • the support tube 16 and the outer tube 2 are relatively fixed, so the inner tube 1 can slide up and down relative to the support tube 16.
  • the transmission mechanism includes a transmission box 9.
  • the transmission box 9 is arranged in the upper part of the outer tube 2 at the upper end of the support tube 16.
  • a transmission shaft 10 is provided in the transmission case 9 and the transmission shaft 10 can rotate freely in the transmission case 9.
  • the transmission shaft 10 One end is fixedly connected with a second gear 13 which is matched with the rack 8, a sector wheel 14 is fixedly installed in the middle of the transmission shaft 10, and the other side of the transmission shaft 10 is provided with a synchronization wheel 11 which is matched with a timing belt 17, so that the second The gear 13, the sector wheel 14 and the synchronization wheel 11 are arranged coaxially, and the sector wheel 14, the second gear 13 and the transmission shaft 10 rotate synchronously.
  • the transmission box 9 is assembled by the transmission frame 91 and the left and right side plates 92.
  • a circular hole 911 for the transmission shaft 10 is opened in the middle of the transmission frame 91.
  • the second gear 13 is arranged on the side of the circular hole 911 of the transmission frame 91
  • the other side of the circular hole 911 of the transmission frame 92 is protrudingly provided with a cylindrical structure 912 into which the sector wheel 14 is inserted.
  • the torsion spring 15 is installed in the cylindrical structure 912 and can be relatively round.
  • the cylinder structure 912 rotates.
  • Two support rods 151 are provided in the torsion spring 15 to contact the two ends of the sector wheel 14 respectively.
  • the synchronization wheel 11 has an outer ring and an inner ring, and the outer ring is sleeved outside the cylindrical structure 912 of the transmission frame 91.
  • the inner ring of the synchronizing wheel 11 is provided with a fan-shaped boss 111 that is in contact with the two support rods 151 of the torsion spring 15.
  • the fan-shaped boss 111 is exactly located at the gap of the fan wheel 14, and the two support rods 151 of the torsion spring 15 are exactly in the fan shape.
  • the second gear 13 rotates to drive the sector wheel 14 to rotate.
  • the sector wheel 14 presses the support rod 151 on the torsion spring 15 to make the torsion spring 15 and The friction between the inner walls of the cylindrical structure 912 of the transmission frame 91 is reduced, which drives the torsion spring 15 to rotate, and the support rod 151 on the torsion spring 15 contacts the fan-shaped boss 111 in the synchronization wheel 11 to drive the synchronization wheel 11 to rotate, thereby driving the synchronization
  • the belt 17 moves up and down, thereby driving the inner tube 1 to move synchronously to realize the opening and closing of the umbrella.
  • the support rod 151 on the side of the spring 15 forces the outer diameter of the torsion spring 15 to expand to abut against the inner wall of the cylindrical structure 912 of the transmission frame 91, and the friction force is increased to prevent rotation, thereby realizing the positioning of the umbrella frame.
  • the upper and lower ends of the left and right sides of the transmission frame 91 are respectively protrudingly provided with connecting posts 913 connected to the left and right side plates 91.
  • the left and right side plates 92 are provided with corresponding connecting holes 922.
  • the left and right sides are connected by the connecting shaft 18 and the fixing nut 19
  • the side plate 92 and the transmission frame 91 are fixed together.
  • the center of the left and right side plates 92 is provided with a circular hole 921 corresponding to the circular hole 911 of the transmission frame 91.
  • the circular hole 921 is equipped with a bearing matching the transmission shaft 10, and both ends of the transmission shaft 10 are provided with internal threaded holes. , Are rotatably fixed on the left and right side plates 92 by screws 20.
  • the transmission box 9 is also provided with a guide wheel 12 that abuts the upper and lower ends of the synchronization wheel 11, a bearing is installed in the inner hole of the guide wheel 12, the guide wheel 12 is rotatably arranged on the connecting shaft 18, and the guide wheel 12 is provided
  • the timing belt 17 can be forced to increase the contact area with the timing wheel 11 to increase the stability of the mechanism.
  • the transmission mode of the synchronous belt 17 and the synchronous wheel 11 can be replaced with a chain-sprocket or rack-gear or belt-pulley transmission mode.
  • the structural principle is similar and will not be expanded here.
  • the first gear 73 in the crank box 7 and the second gear 13 in the transmission box 9 can adjust the gear ratio to each other to adjust the number of crank rotations required for opening the umbrella.
  • the principle is as follows: when the crank 72 rotates to drive the crank shaft 71 to rotate, the crank shaft 71 drives the first gear 73 to rotate, the first gear 73 drives the rack 8 to move up and down, and the rack 8 moves up and down to drive the second gear 13 to rotate.
  • the transmission shaft 10 rotates, and the transmission shaft 10 drives the sector wheel 14 to rotate.
  • the sector wheel 14 presses the support rod 151 on the torsion spring 16 to make a gap between the torsion spring 15 and the inner wall of the cylindrical structure 912 in the transmission box 9
  • the torsion spring 15 is driven to rotate.
  • the support rod 151 on the torsion spring 15 contacts the fan-shaped boss 111 in the synchronous wheel 11 and then drives the synchronous wheel 11 to rotate.
  • the synchronous belt 17 moves up and down.
  • the timing belt 17 is fixed in the inner tube 1, the inner tube 1 moves synchronously when the timing belt 17 moves up and down, the upper umbrella plate 3 is fixed on the inner tube 1 to move up and down synchronously to complete the opening and closing of the umbrella; when the opening and closing of the umbrella is completed, the long Umbrella ribs 5 are affected by external force to cause timing belt 17 to apply tension to timing wheel 11, which drives timing wheel 11 to rotate.
  • timing wheel 11 When timing wheel 11 receives the pull force of timing belt 17, internal fan-shaped boss 111 presses support rod 151 on the side of torsion spring 15 to make The outer diameter of the torsion spring 15 is increased. At this time, the gap between the torsion spring 15 and the inner wall of the cylindrical structure 912 in the transmission box 9 is reduced, and the friction force increases and cannot rotate. Finally, the synchronous wheel 11 cannot be pulled by the synchronous belt 17 again. Drive, make the umbrella stand automatically positioned and fixed.

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  • Walking Sticks, Umbrellas, And Fans (AREA)
PCT/CN2020/072342 2019-07-12 2020-01-16 一种快速开合的大型遮阳伞 WO2021008126A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE212020000600.8U DE212020000600U1 (de) 2019-07-12 2020-01-16 Schnell öffnender und schließender großer Sonnenschirm

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910629882.0 2019-07-12
CN201910629882.0A CN110393347B (zh) 2019-07-12 2019-07-12 一种快速开合的大型遮阳伞

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Publication Number Publication Date
WO2021008126A1 true WO2021008126A1 (zh) 2021-01-21

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PCT/CN2020/072342 WO2021008126A1 (zh) 2019-07-12 2020-01-16 一种快速开合的大型遮阳伞

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CN (1) CN110393347B (de)
DE (1) DE212020000600U1 (de)
WO (1) WO2021008126A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117347385A (zh) * 2023-12-06 2024-01-05 四川省特种设备检验研究院 一种承压设备内部检测装置

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Publication number Priority date Publication date Assignee Title
CN110393347B (zh) * 2019-07-12 2024-09-03 江苏腾魄休闲用品有限公司 一种快速开合的大型遮阳伞
CN110934393A (zh) * 2019-11-20 2020-03-31 江苏腾魄休闲用品有限公司 一种电动开合的遮阳伞
CN111480956A (zh) * 2020-06-10 2020-08-04 惠州市泓利实业有限公司 一种快速张合遮阳伞
CN112790494A (zh) * 2021-02-08 2021-05-14 广东迈牛科技有限公司 一种电动遮阳伞架

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Publication number Priority date Publication date Assignee Title
CN2706045Y (zh) * 2004-04-09 2005-06-29 马准安 一种新型弯臂伞
CN1706302A (zh) * 2004-06-10 2005-12-14 马准安 一种新型弯臂伞
CN2724479Y (zh) * 2004-09-17 2005-09-14 马准安 新型弯臂伞结构
JP2013236856A (ja) * 2012-05-17 2013-11-28 Masaaki Soma 電動開閉傘
CN203152749U (zh) * 2013-03-04 2013-08-28 江苏辉腾休闲用品有限公司 遮阳伞
CN204467194U (zh) * 2015-01-05 2015-07-15 临海市美阳伞业有限公司 一种用于遮阳伞的开伞控制机构
CN110393347A (zh) * 2019-07-12 2019-11-01 江苏腾魄休闲用品有限公司 一种快速开合的大型遮阳伞

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117347385A (zh) * 2023-12-06 2024-01-05 四川省特种设备检验研究院 一种承压设备内部检测装置
CN117347385B (zh) * 2023-12-06 2024-04-05 四川省特种设备检验研究院 一种承压设备内部检测装置

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CN110393347A (zh) 2019-11-01
DE212020000600U1 (de) 2021-12-15

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